50 lines
1.4 KiB
Bash
50 lines
1.4 KiB
Bash
#!/bin/bash
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set -euo pipefail
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# Check for root privileges
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if [ "$(id -u)" -ne 0 ]; then
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echo "[✗] Dieses Skript muss als root ausgeführt werden." >&2
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exit 1
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fi
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# Prompt for username input
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read -p "Bitte geben Sie den Benutzernamen ein: " USERNAME
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# Check if the username is not empty
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if [ -z "$USERNAME" ]; then
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echo "[✗] Kein Benutzername eingegeben." >&2
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exit 1
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fi
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SSH_KEY_URL="https://skulldev.de/Skull-IT/trusted-ssh-keys/raw/branch/main/trusted-ssh-keys"
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SSH_DIR="/home/$USERNAME/.ssh"
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# Update package list and install necessary packages
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echo "[+] Updating package list and installing essential packages..."
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apt-get update
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apt-get install -y wget
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# Setting up SSH directory and authorized keys
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echo "[+] Setting up SSH directory..."
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mkdir -p "$SSH_DIR"
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wget -O "$SSH_DIR/authorized_keys" "$SSH_KEY_URL"
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chown -R "$USERNAME:$USERNAME" "$SSH_DIR"
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chmod 700 "$SSH_DIR"
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chmod 600 "$SSH_DIR/authorized_keys"
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# Adding user to sudo group
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echo "[+] Adding user to sudo group..."
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apt-get install -y sudo
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usermod -aG sudo "$USERNAME"
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# Configuring passwordless sudo for the user
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echo "[+] Configuring passwordless sudo for $USERNAME..."
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echo "$USERNAME ALL=(ALL) NOPASSWD:ALL" | tee "/etc/sudoers.d/$USERNAME" > /dev/null
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chmod 440 "/etc/sudoers.d/$USERNAME"
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# Setting timezone
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echo "[+] Setting timezone to Europe/Berlin..."
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apt-get install -y tzdata
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ln -sf /usr/share/zoneinfo/Europe/Berlin /etc/localtime
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echo "[✓] Bootstrap complete."
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